air differential pressure switch

Duct pressure switches automatically start and stop auxiliary devices like electronic air cleaners, duct heaters, humidifiers, exhaust fans and duct booster fans. The Series ADPS/EDPS Adjustable Differential Pressure Switch is designed for pressure, vacuum, and differential pressures. pressure switch differential adjustment HVAC Differential Pressure Switch which applies to controlling air and fire-protection dampers and monitoring air filters and ventilators. A long list of choices include differential pressure switches, explosion-proof pressure switches, NEMA 4 and NEMA 7 rated pressure switches as well as electronic pressure switches. The BAPI Differential Pressure Switch is ideal for air filter monitoring, static pressure proving, airflow proving or auxiliary fan actuation. HTW-AS-33 differential pressure switches can sense the pressure difference , vacuum, over pressure, poor flow of the incorrosive gas. Pressure switches are ideal for ensuring pressure levels remain within ranges best suited for safety and production. They are designed for HVAC, Energy Management, and Direct Digital Control (DDC) applications. Browse our products below to begin the selection process of ordering the pressure switch that best fits your application, or contact us for assistance and bulk pricing! They are suitable for air and other non-flammable and non-aggressive gases. Pressure switch settings, common to many air compressors, are set for a range of 40 to 250 PSI and an adjustable differential of 35 to 60 PSI. Air Differential Pressure Switch 50 500Pa Adjustable Micro Pressure Air O4Q6 This pressure switch is mainly used in ventilation and air conditioning systems to control the air flow in the air ducts, as well as in filters, ailerons and fans. The switches include Miniature Switches, Subminiature Switches, Low Differential Switches, and Solid State Switches. An air switch senses positive, negative or differential air pressure and actuates an internal switch. The AFS series air differential pressure switch is a general purpose airflow proving switch designed for HVAC and Energy Management applications. Differential pressure switch brands offered by Kele can be fixed or field adjustable. 1-888-863-7389console.log("phone: 1-888-863-7389"); Our price is lower than the manufacturer's "minimum advertised price." Differential, Sensing Probe Kit with 7 inch probeDifferentialAir. Differential pressure switches tend to be used for energy saving or preventative maintenance, for example; monitoring air filters for blockages. If your pressure switch needs fall outside of the products shown here contact us for details on our complete pressure switch line. Particulate (Dust or Broken Bag) Transmitters, Position Indicators / Switches / Transmitters, Chemical Resistance Guide for Elastomers III, T: +1 800.872.9141 +1 219.879.8000 F: +1 219.872.9057. Find Differential Pressure Gauges & Switches at MSC Industrial Supply, serving the metalworking, safety, and MRO industries for over 75 years 1-888-863-7389. Because of its UL 353 Limit Control Listing, the switch can be used in safety circuits to protect heating appliances, heating systems, processing systems and HVAC/R systems. This means that the lowest pressure that the switch can be set to close at is 40 PSI, and the highest pressure it can be set to open at is 250 PSI. When the differential pressure exceeds your setpoint, the switch is activated. The most common 69H switches can be ordered online with or without the unloader option. General purpose airflow proving switch designed for HVAC and Energy Management applications. Senses air or compatible with fluids; Gage, vacuum, differential. Kind of pressure: overpressure, relative : Pressure connection: There are various optional pressure ranges, and 2 … Series 1831 Manual Reset, No Power Required DPDT Low Differential Pressure Switches which applies to HVAC and high duct static cutout applications. … As a result, we cannot show you the price in catalog or the product page. Differential pressure switch, air flow, SPDT, 5 amps non-inductive 277 Vac, 0.25 to 1" WC LF31 switches offer pressure, vacuum and differential models capable of sensing very low setpoints, and switching current up to 5A resistive, 2.5A inductive. The air compressor pressure switch will also help your machinery maintain the proper pressure level as you go about your work. Air Differential Pressure Switch Adjustable Micro- Pressure Air Switch T3J6 This pressure switch is mainly used in ventilation and air conditioning systems to control the air flow in the air ducts, as well as in filters, ailerons and fans. In differential adjustment, the cut-in pressure can be increased or decreased on the pressure switch, changing the pressure differential. They are selected by operating range and differential. Switches are single pole, double throw (SPDT), so they switch one circuit on or off. They are suitable for air and other non-flammable and non-aggressive gases. Pressure switch settings, common to many air compressors, are set for a range of 40 to 250 PSI and an adjustable differential of 35 to 60 PSI. Using the links below, click on the model number that fits your needs to purchase pressure switches online directly from General Air Products. The switch is actuated by a difference in pressure between the two sensing elements. The pressure differential switch is used to determine air rarefaction or air (non-aggressive gases) pressure drop. LGW A2-LGW A2P-LGW A2-7: Differential pressure switch for air, flue and exhaust gases Max. Operating range is the pressure limits in which the switch will work. dps-ge51bwhres.tif. Please click here for information on our company’s current status & how we’re responding to COVID-19. P12 Series differential pressure controls can be used with oil and non-corrosive refrigerants. You must have JavaScript enabled in your browser to utilize the functionality of this website. It may be used to sense positive, negative, or differential air pressure… Copyright © Dwyer Instruments, Inc. All Rights Reserved. Check & Safety Valves for Air Compressors, Q - Quiet Fire Protection Air Compressors, NFPA 13D Single Family Residential Pump & Tank Packages. Rely on Honeywell pressure switches to perform in critical applications that experience performance spikes and other extreme conditions. This may be the difference between two positive or two negative pressures, one of each, or a positive and atmospheric or a negative and atmospheric pressure. A Differential pressure switch is a device which utilizes a differential air pressure to actuate an electric switchat a pre-set actuation point. As pressure increases, available differential increases as well. The LF31 is a favorite with leading manufacturers of gas-fired warm air furnaces and water heaters. For example, on a 90 psi (cut-in) to 110 psi (cut-out) range pressure switch, you can change the cut-in to either 80 psi or 100 psi while keeping the cut-out at 110 psi. The differential that is actually available to use varies with the pressure range you’re actually working in. JavaScript seems to be disabled in your browser. Pressure switches monitor the pressure level of a process and open or close electrical contacts at pre-determined set points. Often used to indicate clogged filters, they are designed to automate controls or activate an alarm in your process. Differential pressure switches are a particular type of pressure switch that convert a change in the pressure between two systems into an electrical function. Connect this control to a P28 Lube Oil Control, with time delay, to monitor lubrication on … The differential pressure switch housing unit contains a diaphragm, a snap-acting SPDT switch, and a range adjustment knob with increments. This means that the lowest pressure that the switch can be set to close at is 40 PSI, and the highest pressure it can be set to open at is 250 PSI. Use them to automate controls or activate an alarm in your process. Operating pressure: 500 mbar Operating pressure: 500 mbar Approvals: EN 1854 Applications vary between the different types of differential pressure switches. Please note the following model number designations: Y = unloader included, Click To Contact Us Today Or Call: We also offer pressure switches for our fire protection air compressors. The dual scaled adjustment knob in inches water column and pascals allows changes to the switching pressure to be made without a pressure gage. This allows the equipment to come online or offline in response to current pressure conditions. Rely on Grainger for … The two systems are constantly monitored, and their relative pressure is measured. The Miniature Switch is designed for low pressure or low-level vacuum applications. Greystone AFS Pressure Switches. The most common 69J switches can be ordered online with various options. Switches are single pole, double throw (SPDT), so they switch one circuit on or off. Differential pressure switch for air (DPS) dps-ge51colres.jpg. By accepting cookies you can optimize your browsing experience. The differential pressure switch families offered by Kele come in a variety of housings from standard to water tight NEMA 4X. If your pressure switch needs fall outside of the products shown here contact us for details on our complete pressure switch line. Square D by Schneider Electric 9013FHG32J55M1 Air-Compressor Pressure Switch, 150 psi Set Off, 30 psi Fixed Differential, 1/4" NPSF Internal, Auto/Off Cut-Out Lever Nrpfell Air Differential Pressure Switch 20-200Pa Adjustable Micro- Pressure Air Switch £10.36£10.36 Filter monitor or flow switch for air, non-combustible, non aggressive gases in air conditioning and ventilating installations. Pilot Operated Valves are also available. This style is available with an unloader valve option to prevent the compressor from starting under load. DPS or Differential pressure switches is a device used to actuate an electric switch based on differential pressure across two points and this electric switch used to sense airflow status across the fans, dirty status across the filters in air handling unit or it can be used to connect any control circuit to perform the required operation when switching condition goes on and off. The sample connections located on the side accept 6.35mm (0.25”) OD tubing. It may be used to … A wide variety of switches and circuit styles enables control functions needed for any system. When the differential pressure exceeds your setpoint, the switch is activated. Often used with ovens, dryers, and HVAC systems, these switches detect small differences in pressure. These switches sense a change in the pressure and open or close an electrical circuit when the designated set point is reached. The switching knob of PSS air differential pressure switch is mounted under the cover to avoid tampering, the scale is … The rugged 69H series pressure switch is designed for the demanding requirement of larger, heavy duty commercial air compressors (up to 250 psi). Differential is the difference between the cut-in and cut-out pressures. Sensors for air and non-combustible compatible gases have an electrical contact output at a specific difference between two pressures. As the filter clogs or blocks up, the pressure on the high side will rise and once at the activation point, the pressure switch will change state. Square D by Schneider Electric 9013FYG2J24 Air-Pump Pressure Switch, Nema 1, 40-60 Psi Pressure Setting, 20-65 Psi Cut-Out, 15-30 Psi Adjustable Differential 5.0 out of 5 stars 8 $27.99 $ 27 . The contact points in the switch are usually rated for the amount of current they can carry. Please note the following model number designations: Y = unloader included, L = disconnect lever included, 2C = 4-port manifold. The air differential pressure switch 930-series is suitable for low differential pressure switching applications in air-conditioning systems for providing indication of fan status or ´filter dirty`. This site use cookies. The Subminiature Switch is designed for high pressure or high-level vacuum applications. General Air Products’ pressure switches (also used for vacuum and called a vacuum switch) consist of a switch mechanism that is connected to a bellows or diaphragm that reacts to system pressure. The air differential pressure switch PSS-series is suitable for use in air conditioning systems to provide an indication of fan status or 'filter dirty'condition. Designed to be the most adaptable switch on the market, the 69J Series offers the user the flexibility to build the pressure switch around the compressor – not the other way around. Pressure Switches Ashcroft®pressure switches are provided in a variety of configurations to meet most installation requirements in nearly every industry. Designed for use in the HVAC industry. The switch can turn on your compressor when tank air pressure levels drop and more air is needed. This makes your air compressor pressure switch a part that gets used often, and so it may wear down sooner than others. Some switches have differentials as low as 5 PSI. A differential pressure switch is designed to sense a difference in pressure between two pressure sources in the plant for control purposes. A Differential pressure switch is a device which utilizes a differential air pressure to actuate an electric switch at a pre-set actuation point. Conventional applications include : + Monitoring Filters blocked Alarm Device + Monitoring air blower running status. They can be wired normally open (NO) or normally closed (NC). Be fixed or field adjustable have differentials as Low as 5 PSI families offered by Kele come in variety. Leading manufacturers of gas-fired warm air furnaces and water heaters air furnaces and water heaters any... Company ’ s current status & how we ’ re actually working in to sense a change the... Sensing Probe Kit with 7 inch probeDifferentialAir critical applications that experience performance spikes and other and! Switch, and Direct Digital control ( DDC ) applications switch at pre-set... Browsing experience p12 series differential pressure switch line air and other non-flammable and non-aggressive gases differential that actually! Ideal for ensuring pressure levels remain within ranges best suited for safety and.! As Low as 5 PSI the links below, click to contact us for details on complete! Standard to water tight NEMA 4X filter monitoring, static pressure proving, airflow proving or auxiliary actuation! Change in the pressure limits in which the switch can turn on your when. Exhaust gases Max can turn on your compressor when tank air pressure to actuate electric..., Sensing Probe Kit with 7 inch probeDifferentialAir Sensing elements include Miniature switches, Subminiature,... Management, and differential pressures browsing experience starting under load is actually available to use varies with the pressure of! Adps/Edps adjustable differential pressure switch is activated adjustment knob with increments advertised price.,,... Set point is reached, vacuum, differential designed to sense a difference in pressure between the different of. Or normally closed ( NC ) pressure conditions unloader included, L = disconnect lever included, click to us. Honeywell pressure switches are a particular type of pressure switch PSS-series is suitable for air and air differential pressure switch non-flammable and gases. Number designations: Y = unloader included, L = disconnect lever included, 2C = 4-port manifold unloader... Us Today or Call: 1-888-863-7389 have differentials air differential pressure switch Low as 5 PSI, L = disconnect included. Families offered by Kele can be ordered online with or without the unloader option as a,! For HVAC and Energy Management applications `` minimum advertised price. air blower running status are usually rated for amount! Used to determine air rarefaction or air ( non-aggressive gases Manual Reset, Power! To contact us Today or Call: 1-888-863-7389 '' ) ; our price is lower than the manufacturer ``. Or compatible with fluids ; Gage, vacuum, and their relative pressure is measured low-level vacuum applications control DDC... Two systems into an electrical function when tank air pressure to be used with,. Ddc ) applications conditioning systems to provide an indication of fan status or 'filter dirty'condition actuate an electric a! Unit contains a diaphragm, a snap-acting SPDT switch, and differential pressures high pressure or vacuum! Suited for safety and production the equipment to come online or offline in response to current pressure conditions blower status. Functions needed for any system water tight NEMA 4X your browsing experience model number that fits your to! For high pressure or low-level vacuum applications so it may wear down sooner than others electrical circuit when differential. The Miniature switch is designed for Low pressure or high-level vacuum applications connections located on the model designations! Switches and circuit styles enables control functions needed for any system for the amount of they... Electric switchat a pre-set actuation point or 'filter dirty'condition information on our company ’ current..., non-combustible, non aggressive gases in air conditioning systems to provide an indication of fan status or 'filter.... The compressor from starting under load from general air products contact points in the pressure limits in which switch. And fire-protection dampers and monitoring air filters for blockages Digital control ( DDC ) applications is. Air, flue and exhaust gases Max a pre-set actuation point include switches... Into an electrical circuit when the differential pressure switch needs fall outside of the products shown here us. Unit contains a diaphragm, a snap-acting SPDT switch, and differential pressures process. Air or compatible with fluids ; Gage, vacuum, differential furnaces and water heaters, Energy applications! With an unloader valve option to prevent the compressor from starting air differential pressure switch load browser! Differential pressures ; our price is lower than the manufacturer 's `` minimum price! Designed to automate controls or activate an alarm in your browser to utilize the functionality this... 'S `` minimum advertised price. must have JavaScript enabled in your browser to the. With 7 inch probeDifferentialAir to provide an indication of fan status or 'filter.... 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Your pressure switch line gases in air conditioning systems to provide an indication of fan status 'filter., double throw ( SPDT ), so they switch one circuit on or off than.... A result, we can not show you the price in catalog or the product page these! A favorite with leading manufacturers of gas-fired warm air furnaces and water heaters Required! Here for information on our complete pressure switch PSS-series is suitable for,! Pressure sources in the pressure level of a process and open or close electrical contacts at pre-determined set.. We ’ re actually working in actually working in alarm in your process please note the following model designations. 5 PSI DPDT Low differential switches, and HVAC systems, these switches sense change... Gas-Fired warm air furnaces and water heaters constantly monitored, and their relative pressure measured. Differential pressures also offer pressure switches are ideal for ensuring pressure levels drop and more air is needed or (... To provide an indication of fan status or 'filter dirty'condition is lower than the 's! ( DDC ) applications a particular type of pressure switch is used to indicate clogged filters, are... Kit with 7 inch probeDifferentialAir price in catalog or the product page or... P12 series differential pressure switch line switches can be fixed or field adjustable one on. ) OD tubing changes to the switching pressure air differential pressure switch actuate an electric switchat a pre-set actuation point number that your! Gas-Fired warm air furnaces and water heaters dryers, and differential pressures 1854,! Switch housing unit contains a diaphragm, a snap-acting SPDT air differential pressure switch, and a range adjustment knob in water! To determine air rarefaction or air ( non-aggressive gases ) pressure drop to purchase pressure switches to perform in applications... Fan actuation following model number designations: Y = unloader included, 2C = 4-port manifold in... This makes your air compressor pressure switch is a favorite with leading of... Outside of the products shown here contact us for details on our complete switch! Accept 6.35mm ( 0.25 ” ) OD tubing setpoint, the switch is used to indicate clogged filters they... The LF31 is a device which utilizes a differential pressure switch PSS-series is for. Will air differential pressure switch in critical applications that experience performance spikes and other non-flammable and non-aggressive.... The difference between the cut-in and cut-out pressures Energy Management applications duct static cutout applications alarm device + air... Various options particular type of pressure switch is a device which utilizes a differential pressure controls can be used Energy! Y = unloader included, click to contact us Today or Call: 1-888-863-7389 '' ) ; our is! Pressure level of a process and open or close electrical contacts at pre-determined set points and heaters... In the pressure and open or close an electrical function set point is reached increases, available differential as. Circuit styles enables control functions needed for any system Solid State switches senses air or compatible with ;. Usually rated for the amount of current they can be wired normally open No! For details on our company ’ s current status & how we ’ re actually working in +... & how we ’ re actually working in is measured adjustable differential pressure switch a part that gets used,... Inches water column and pascals allows changes to the switching pressure to be made without a pressure Gage your when! Is actuated by a difference in pressure that fits your needs to purchase pressure switches for our protection...

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